telephone exchanges (0 synonym found)

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telephone exchange

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Definition of telephone exchanges:

(n) : (telephony) Any equipment that establishes connections between telephones.
(n) : (telephony) The portion of a telephone number representing that network, among the other networks of the larger system: the central office code. In the North American Numbering Plan, this is the "555" portion of "+1-212-555-6789".
(n) : (telephony, chiefly historical) The rooms or building housing such equipment (a central office, as it was termed by the Bell System).
(n) : (telephony, historical) A local or locoregional network of such switched connections, of which a central office was the hub; the local company formed to create and maintain this network and its central office.
Definition of telephone exchanges:

(n) : (telephony) Any equipment that establishes connections between telephones.
(n) : (telephony) The portion of a telephone number representing that network, among the other networks of the larger system: the central office code. In the North American Numbering Plan, this is the "555" portion of "+1-212-555-6789".
(n) : (telephony, chiefly historical) The rooms or building housing such equipment (a central office, as it was termed by the Bell System).
(n) : (telephony, historical) A local or locoregional network of such switched connections, of which a central office was the hub; the local company formed to create and maintain this network and its central office.
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